Why would a vaccine be useful? It gives your body lifetime immunity for every virus that it comes in contact with.
It kills all of the viruses that are currently in your body.
It allows your body to form an immune response and memory cells to a weakened form of the virus incase is encounters the same virus again.​

How many atoms are there in 5.70 mol of mg

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+